Man attacks elementary school students with knife, killing 8

June 8, 2001 Osaka, Japan Mamoru Takuma (宅間 守) goes on a stabbing and slashing spree in an elementary school, killing 8 and injuring at least 15 Takuma had had a history of violence preceding the massacre, being arrested 11 times for various charges including rape, assault, and poisoning. Following a conviction in 1999, he…